cards/CardFortuneCookie.cs
using Sandbox;
using System.Threading.Tasks;

public class CardFortuneCookie : Card
{
	public override bool IsFoodOrBeverage => true;

	public override bool ShouldHandleEvent( EventType eventType )
	{
		return eventType == EventType.Match && Manager.Instance.ChosenCards[1] == this;
	}

	public override async Task HandleEventAsync( EventType eventType )
	{
		Manager.Instance.PushEventMessage( this, eventType );

		List<Card> validCards = new();
		foreach(var card in Manager.Instance.Cards)
		{
			if ( card.NumTimesRevealed == 0 )
				validCards.Add( card );
		}

		if ( validCards.Count == 0 )
		{
			await Task.DelayRealtime( 1100 );
			Manager.Instance.PopEventMessage();
			return;
		}
			
		await Task.DelayRealtime( 150 );

		Manager.Instance.PlayCardSfxBetween( "fortune_cookie", this, Manager.Instance.ChosenCards[1], volume: 1.1f, pitch: Game.Random.Float(0.95f, 1.1f) );

		await Task.DelayRealtime( 150 );

		int healAmount = 1 + (int)Manager.Instance.Stats[StatType.FoodAdditionalHeal];

		Manager.Instance.SpawnHealHPFloater( healAmount, WorldPosition );

		await Manager.Instance.GainHP( healAmount );

		await Task.DelayRealtime( 600 );

		validCards.Shuffle();
		
		for(int i = 0; i < Math.Min(5, validCards.Count); i++)
		{
			var card = validCards[i];

			Manager.Instance.PlayCardSfx( "card_flip", card, volume: 0.8f, pitch: Game.Random.Float( 1.15f, 1.2f ) );
			await Manager.Instance.RevealCard( card );

			await Task.DelayRealtime( 360 );
		}
			
		await Task.DelayRealtime( 300 );

		for ( int i = 0; i < Math.Min( 5, validCards.Count ); i++ )
		{
			var card = validCards[i];

			Manager.Instance.HideCard( card );
			Manager.Instance.PlayCardSfx( "card_flip", card, volume: 0.7f, pitch: Game.Random.Float( 0.65f, 0.75f ) );

			await Task.DelayRealtime( 300 );
		}

		await Task.DelayRealtime( 200 );

		Manager.Instance.PopEventMessage();
	}
}